端肃 duānsù solemn Origin Definitions Defs Strokes Stroke Words Sentences Sents duānsù solemn 端 duān upright (bound form) Upright; straight; proper in conduct or character.肃 肅 sù adjective solemn (bound form) solemn; serious; graveduānsù [honorific] 端 duān upright (bound form) Upright; straight; proper in conduct or character.肃 肅 sù respectful (bound form) respectful; polite; showing deference